Patch attached.
>From 49ff12b47d9d71960fd7b39846b302b8031affa4 Mon Sep 17 00:00:00 2001 From: Ken Brown <kbr...@cornell.edu> Date: Mon, 26 Jul 2021 08:59:09 -0400 Subject: [PATCH 1/2] Cygwin: getifaddrs: fix address family for IPv6 netmasks
The code in net.cc:get_ifs that sets the netmask omitted setting the address family in the IPv6 case. Fix this by setting it to AF_INET6. Partially addresses: https://cygwin.com/pipermail/cygwin/2021-July/248970.html --- winsup/cygwin/net.cc | 1 + 1 file changed, 1 insertion(+) diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc index cec0a70cc..67dd7fc04 100644 --- a/winsup/cygwin/net.cc +++ b/winsup/cygwin/net.cc @@ -1869,6 +1869,7 @@ get_ifs (ULONG family) if (prefix < 32) if_sin6->sin6_addr.s6_addr32[cnt] <<= 32 - prefix; } + if_sin6->sin6_family = AF_INET6; break; } ifp->ifa_ifa.ifa_netmask = (struct sockaddr *) &ifp->ifa_netmask; -- 2.32.0
